From: Matthew Vernon Date: Mon, 8 Jun 2020 15:57:54 +0000 (+0100) Subject: Add weak twos X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~matthewv/git?p=bridge;a=commitdiff_plain;h=e263b357cfb39e1ac7a3c0310c4d9bb68aae5c10 Add weak twos --- diff --git a/convention.txt b/convention.txt index d8a4660..202607c 100644 --- a/convention.txt +++ b/convention.txt @@ -1,6 +1,6 @@ * Executive summary: -Acol, 12-14 1NT, Strong twos, transfers, roman key card blackwood +Acol, 12-14 1NT, Weak twos, transfers, roman key card blackwood * Magic numbers: @@ -27,13 +27,15 @@ longest suits); 11 or 19 if you feel aggresive / it looks good 1 [suit] promises at least the above - generally pick the longest suit 1NT is 12-14 points balanced (limit) 2C is 23+ points. Usually game-forcing -2 [other] has one 6- or two 5-card suits, >=8 playing tricks. 1r force +2[other] 6-10 points, good 6-card suit (2 of A-Q, 3 of A-10) 2NT is 20-22 points balanced (limit) 3 [suit] pre-empt 7-card suit 7-9ish points 3NT pre-empt solid (AKQ at least) 7-card minor "Weak Gambling 3NT" 4 [suit] pre-empt as 3, but 8-card suit -(with 15-19 points balanced, open 1[suit] and rebid xNT - see below +A weak 2 denies a 4-card major or good 3-card major + +(with 15-19 points balanced, open 1[suit] and rebid xNT - see below) ** Replying ** @@ -80,12 +82,18 @@ Positive responses often suggest slam prospects 2 [suit] 5-card suit with an honour ~7+ points. game-force 3 [suit] decent 6-card suit. game-force -* Response to 2[suit] +* Response to 2[suit] "RONF" (raise is the only non-forcing bid) + +Raises are limits and opener must not bid again: +3 [suit] - 3/4 support 6-13 points +4 [suit] - 4/5 support 6-13 points (may be weaker with 5) -2NT - negative -[new] - 5+ cards, 8+ points. game-force -3[suit] - 3+support, 5-8 points. game-force -3NT - 8-11 points, flat hand +Other bids are forcing: +new suit - 16+ points 5+ cards, no support +2NT - 16+ points or 13+ points with 3+ support, opener shows a feature +(i.e. a stop) or rebids if none +3NT - 16+ points, stoppers in all other suits, signoff (likely to be a +tough contract, esp if communication bad) * Response to pre-emptive 3 pass - <15 points, no support